Skip to main content
. Author manuscript; available in PMC: 2014 Jul 25.
Published in final edited form as: Arch Intern Med. 2011 Nov 28;171(21):1894–1900. doi: 10.1001/archinternmed.2011.500

Table 1.

Baseline Characteristics

Characteristic Longitudinal Care (n=222) Usual Care (n=221) P Value
Demographic
Age, mean (SD), y 42.0 (12.3) 42.4 (11.4) .72
Sex, No. (%)
 Female 132/222 (59.5) 135/220 (61.4) graphic file with name nihms603868t1.jpg .70
 Male 90/222 (40.5) 85/220 (38.6)
Employment status, No. (%)
 Full time 190/222 (85.6) 194/221 (87.8) graphic file with name nihms603868t2.jpg .58a
 Part time 19/222 (8.6) 15/221 (6.8)
 Retired 1/222 (0.5) 2/221 (0.9)
 Unemployed/unable to work 12/222 (5.4) 10/221 (4.5)
Marital status, No. (%)
 Never married 65/222 (29.3) 62/220 (28.2) graphic file with name nihms603868t3.jpg .25b
 Separated/divorced 53/222 (23.9) 45/220 (20.5)
 Married 98/222 (44.1) 110/220 (50.0)
 Widowed 6/222 (2.7) 3/220 (1.4)
Educational level, No. (%)
 ≤High school 51/222 (23.0) 46/219 (21.0) graphic file with name nihms603868t4.jpg .65c
 Some college 104/222 (46.9) 109/219 (49.8)
 College graduate 54/222 (24.3) 54/219 (24.7)
 Graduate school 13/222 (5.9) 10/219 (4.6)
Annual income, $, No. (%)
 <19 999 24/222 (10.9) 25/221 (11.3) graphic file with name nihms603868t5.jpg .98
 20 000–39 999 85/222 (38.3) 78/221 (35.3)
 40 000–59 999 72/222 (32.5) 87/221 (39.4)
 60 000–74 999 26/222 (11.7) 19/221 (8.6)
 75 000–99 999 6/222 (2.7) 6/221 (2.7)
 ≥100 000 2/222 (0.9) 2/221 (0.9)
 Don’t know/refused/missing 7/222 (3.2) 4/221 (1.8)
Hispanic or Latino ethnicity, No. (%) 7/220 (3.2) 6/219 (2.7) >.99
Race, No. (%)
 White 207/219 (94.5) 205/217 (94.5) graphic file with name nihms603868t6.jpg >.99d
 Black 8/219 (3.7) 8/217 (3.7)
 Other 4/217 (1.8) 4/217 (1.8)
Smoking history
 Age of regular smoking, y
  Mean (SD) 17.3 (4.9) 17.7 (4.4) graphic file with name nihms603868t7.jpg .44
  Median (range) 17.0 (9–52) 17.0 (7–44)
 Quit attempt in past 12 mo, No. (%) 126/222 (56.8) 136/221 (61.5) .33
 Cigarettes per day at baseline
  Mean (SD) 17.9 (8.4) 17.4 (7.9) graphic file with name nihms603868t8.jpg .66
  Median (range) 17.5 (5–50) 20.0 (5–40)
 Lives with a smoker, No. (%) 87/221 (39.4) 89/221 (40.3) .92
 Cigarette Dependence Scale-12 score, possible range 12–60
  Mean (SD) 46.2 (7.8) 45.6 (7.0) graphic file with name nihms603868t9.jpg .34
  Median (range) 47.0 (20–59) 46.0 (22–59)
Stress, depression, and alcohol use scores
 Perceived Stress Scale, possible range 0–16
  Mean (SD) 6.0 (3.0) 6.1 (3.0) graphic file with name nihms603868t10.jpg .57
  Median (range) 6.0 (0–14) 6.0 (0–15)
 CES-D scale, possible range 0–60
  Mean (SD) 13.1 (8.7) 13.1 (8.5) graphic file with name nihms603868t11.jpg .98
  Median (range) 11.0 (2–51) 11.0 (2–54)
 AUDIT-C, possible range 0–12
  Mean (SD) 4.5 (3.0) 4.5 (2.7) graphic file with name nihms603868t12.jpg .82
  Median (range) 5.0 (0–11) 4.0 (0–12)

Abbreviations: AUDIT-C, Alcohol Use Disorders Identification Test–Consumption; CES-D, Center for Epidemiologic Studies–Depression.

a

Full time vs all other categories.

b

Married vs all other categories.

c

High school or less vs more than high school.

d

Whites vs nonwhites.